Fun Facts
This is the formula to find the circumference of a circle.
What is Pi times the diameter?
Pi is the ratio of a circle's circumference to this measurement.
What is the diameter?
This is the formula for finding the area of a circle.
What is radius time radius times pi?
This is the circumference of a circle with a radius of four centimeters.
What is 25.12 centimeters?
This is the 6th digit in pi.
What is 9?
This is the diameter of a circle with a circumference of 28.26 ft.
What is 9 ft?
This famous person was born on Pi Day.
Who is Albert Einstein?
This is the area of a circle with a diameter of four inches.
What is 12.56 square inches?
Pi is this type of number.
What is irrational?
This is the area of a circle with a radius of five centimeters.
What is 78.5 square centimeters?